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-rw-r--r--libreofficekit/qa/lokdocview_quad/lokdocview_quad.c253
-rw-r--r--libreofficekit/qa/lokdocview_quad/lokdocview_quad.h66
2 files changed, 319 insertions, 0 deletions
diff --git a/libreofficekit/qa/lokdocview_quad/lokdocview_quad.c b/libreofficekit/qa/lokdocview_quad/lokdocview_quad.c
new file mode 100644
index 000000000000..cbff8856a70e
--- /dev/null
+++ b/libreofficekit/qa/lokdocview_quad/lokdocview_quad.c
@@ -0,0 +1,253 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <sal/types.h>
+
+#define LOK_USE_UNSTABLE_API
+#include <LibreOfficeKit/LibreOfficeKit.h>
+
+#include "lokdocview_quad.h"
+
+static void lok_docview_quad_class_init( LOKDocViewQuadClass* pClass );
+static void lok_docview_quad_init( LOKDocViewQuad* pDocView );
+
+// We specifically need to destroy the document when closing in order to ensure
+// that lock files etc. are cleaned up.
+void lcl_onDestroy( LOKDocViewQuad* pDocView, gpointer pData )
+{
+ (void) pData;
+ if ( pDocView->pDocument )
+ pDocView->pDocument->pClass->destroy( pDocView->pDocument );
+ pDocView->pDocument = NULL;
+}
+
+SAL_DLLPUBLIC_EXPORT guint lok_docview_quad_get_type()
+{
+ static guint lok_docview_quad_type = 0;
+
+ if (!lok_docview_quad_type)
+ {
+ GtkTypeInfo lok_docview_quad_info =
+ {
+ "LokDocViewQuad",
+ sizeof( LOKDocViewQuad ),
+ sizeof( LOKDocViewQuadClass ),
+ (GtkClassInitFunc) lok_docview_quad_class_init,
+ (GtkObjectInitFunc) lok_docview_quad_init,
+ NULL,
+ NULL,
+ (GtkClassInitFunc) NULL
+ };
+
+ lok_docview_quad_type = gtk_type_unique( gtk_scrolled_window_get_type(), &lok_docview_quad_info );
+ }
+ return lok_docview_quad_type;
+}
+
+static void lok_docview_quad_class_init( LOKDocViewQuadClass* pClass )
+{
+ pClass->lok_docview_quad = NULL;
+}
+
+static void lok_docview_quad_init( LOKDocViewQuad* pDocView )
+{
+ int x, y;
+
+ // Gtk ScrolledWindow is apparently not fully initialised yet, we specifically
+ // have to set the [hv]adjustment to prevent GTK assertions from firing, see
+ // https://bugzilla.gnome.org/show_bug.cgi?id=438114 for more info.
+ gtk_scrolled_window_set_hadjustment( GTK_SCROLLED_WINDOW( pDocView ), NULL );
+ gtk_scrolled_window_set_vadjustment( GTK_SCROLLED_WINDOW( pDocView ), NULL );
+
+ pDocView->pEventBox = gtk_event_box_new();
+ gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(pDocView),
+ pDocView->pEventBox );
+
+ pDocView->pGrid = gtk_table_new( 2, 2, TRUE );
+ gtk_container_add( GTK_CONTAINER( pDocView->pEventBox ), pDocView->pGrid );
+
+ for ( x = 0; x < 2; x++ )
+ {
+ for ( y = 0; y < 2; y++ )
+ {
+ pDocView->pCanvas[x][y] = gtk_image_new();
+ gtk_table_attach_defaults( GTK_TABLE( pDocView->pGrid ), pDocView->pCanvas[x][y], x, x+1, y, y+1 );
+ //gtk_container_add( GTK_CONTAINER( pDocView->pEventBox ), pDocView->pCanvas );
+ gtk_widget_show( pDocView->pCanvas[x][y] );
+
+ pDocView->pPixBuf[x][y] = 0;
+ }
+ }
+
+ gtk_widget_show( pDocView->pGrid );
+ gtk_widget_show( pDocView->pEventBox );
+
+ // TODO: figure out a clever view of getting paths set up.
+ pDocView->pOffice = 0;
+ pDocView->pDocument = 0;
+
+ pDocView->fZoom = 1;
+
+ gtk_signal_connect( GTK_OBJECT(pDocView), "destroy",
+ GTK_SIGNAL_FUNC(lcl_onDestroy), NULL );
+}
+
+SAL_DLLPUBLIC_EXPORT GtkWidget* lok_docview_quad_new( LibreOfficeKit* pOffice )
+{
+ LOKDocViewQuad* pDocView = gtk_type_new( lok_docview_quad_get_type() );
+ pDocView->pOffice = pOffice;
+ return GTK_WIDGET( pDocView );
+}
+
+void renderDocument( LOKDocViewQuad* pDocView )
+{
+ long nWidth, nHeight;
+ int nRenderWidth, nRenderHeight;
+ int nRowStride;
+ int x, y;
+ GdkPixbuf* pTempBuf;
+
+ g_assert( pDocView->pDocument );
+
+ for ( x = 0; x < 2; x++ )
+ {
+ for ( y = 0; y < 2; y++ )
+ {
+ if ( pDocView->pPixBuf[x][y] )
+ {
+ g_object_unref( G_OBJECT( pDocView->pPixBuf[x][y] ) );
+ }
+ }
+ }
+
+ pDocView->pDocument->pClass->getDocumentSize( pDocView->pDocument, &nWidth, &nHeight );
+
+ // Draw the whole document at once (for now)
+
+ // TODO: we really should scale by screen DPI here -- 10 seems to be a vaguely
+ // correct factor for my screen at least.
+ nRenderWidth = nWidth * pDocView->fZoom / 10;
+ nRenderHeight = nHeight * pDocView->fZoom / 10;
+
+ // TOP-LEFT: standard
+ // TOP-RIGHT: 2x resolution rendered (post-scaled to 50%)
+ // BOTTOM-LEFT: 1/2 resolution rendered (post-scaled 200%)
+ // BOTTOM-RIGHT: 1/2 resolution rendered (post-scaled 400%)
+ pDocView->pPixBuf[0][0] = gdk_pixbuf_new( GDK_COLORSPACE_RGB,
+ TRUE, 8,
+ nRenderWidth / 2, nRenderHeight / 2 );
+ pDocView->pDocument->pClass->paintTile( pDocView->pDocument,
+ gdk_pixbuf_get_pixels( pDocView->pPixBuf[0][0] ),
+ nRenderWidth / 2, nRenderHeight / 2,
+ &nRowStride,
+ 0, 0, // origin
+ nWidth / 2, nHeight / 2 );
+
+ pDocView->pPixBuf[1][0] = gdk_pixbuf_new( GDK_COLORSPACE_RGB,
+ TRUE, 8,
+ nRenderWidth, nRenderHeight );
+ pDocView->pDocument->pClass->paintTile( pDocView->pDocument,
+ gdk_pixbuf_get_pixels( pDocView->pPixBuf[1][0] ),
+ nRenderWidth, nRenderHeight,
+ &nRowStride,
+ nWidth / 2, 0,
+ nWidth / 2, nHeight / 2 );
+ pTempBuf = gdk_pixbuf_scale_simple( GDK_PIXBUF( pDocView->pPixBuf[1][0] ),
+ nRenderWidth / 2,
+ nRenderHeight / 2,
+ GDK_INTERP_BILINEAR );
+ g_object_unref( G_OBJECT( pDocView->pPixBuf[1][0] ) );
+ pDocView->pPixBuf[1][0] = pTempBuf;
+
+
+ pDocView->pPixBuf[0][1] = gdk_pixbuf_new( GDK_COLORSPACE_RGB,
+ TRUE, 8,
+ nRenderWidth / 4, nRenderHeight / 4 );
+ pDocView->pDocument->pClass->paintTile( pDocView->pDocument,
+ gdk_pixbuf_get_pixels( pDocView->pPixBuf[0][1] ),
+ nRenderWidth / 4, nRenderHeight / 4,
+ &nRowStride,
+ 0, nHeight / 2,
+ nWidth / 2, nHeight / 2 );
+ pTempBuf = gdk_pixbuf_scale_simple( GDK_PIXBUF( pDocView->pPixBuf[0][1] ),
+ nRenderWidth / 2,
+ nRenderHeight / 2,
+ GDK_INTERP_BILINEAR );
+ g_object_unref( G_OBJECT( pDocView->pPixBuf[0][1] ) );
+ pDocView->pPixBuf[0][1] = pTempBuf;
+
+ pDocView->pPixBuf[1][1] = gdk_pixbuf_new( GDK_COLORSPACE_RGB,
+ TRUE, 8,
+ nRenderWidth / 8, nRenderHeight / 8 );
+ pDocView->pDocument->pClass->paintTile( pDocView->pDocument,
+ gdk_pixbuf_get_pixels( pDocView->pPixBuf[1][1] ),
+ nRenderWidth / 8, nRenderHeight / 8,
+ &nRowStride,
+ nWidth / 2, nHeight / 2,
+ nWidth / 2, nHeight / 2 );
+ pTempBuf = gdk_pixbuf_scale_simple( GDK_PIXBUF( pDocView->pPixBuf[1][1] ),
+ nRenderWidth / 2,
+ nRenderHeight / 2,
+ GDK_INTERP_BILINEAR );
+ g_object_unref( G_OBJECT( pDocView->pPixBuf[1][1] ) );
+ pDocView->pPixBuf[1][1] = pTempBuf;
+
+
+
+ // TODO: double check that the rowstride really matches what we expected,
+ // although presumably we'd already be crashing by now if things were
+ // wrong.
+ (void) nRowStride;
+
+ // gtk_image_set_from_pixbuf( GTK_IMAGE( pDocView->pCanvas ), pDocView->pPixBuf );
+ for ( x = 0; x < 2; x++ )
+ {
+ for ( y = 0; y < 2; y++ )
+ {
+ gtk_image_set_from_pixbuf( GTK_IMAGE( pDocView->pCanvas[x][y] ), pDocView->pPixBuf[x][y] );
+ }
+ }
+}
+
+SAL_DLLPUBLIC_EXPORT gboolean lok_docview_quad_open_document( LOKDocViewQuad* pDocView, char* pPath )
+{
+ if ( pDocView->pDocument )
+ {
+ pDocView->pDocument->pClass->destroy( pDocView->pDocument );
+ pDocView->pDocument = NULL;
+ }
+
+ pDocView->pDocument = pDocView->pOffice->pClass->documentLoad( pDocView->pOffice,
+ pPath );
+ if ( !pDocView->pDocument )
+ {
+ // FIXME: should have a GError parameter and populate it.
+ char *pError = pDocView->pOffice->pClass->getError( pDocView->pOffice );
+ fprintf( stderr, "Error opening document '%s'\n", pError );
+ return FALSE;
+ }
+ else
+ renderDocument( pDocView );
+
+ return TRUE;
+}
+
+SAL_DLLPUBLIC_EXPORT void lok_docview_quad_set_zoom ( LOKDocViewQuad* pDocView, float fZoom )
+{
+ pDocView->fZoom = fZoom;
+ renderDocument( pDocView );
+ // TODO: maybe remember and reset positiong?
+}
+
+SAL_DLLPUBLIC_EXPORT float lok_docview_quad_get_zoom ( LOKDocViewQuad* pDocView )
+{
+ return pDocView->fZoom;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/libreofficekit/qa/lokdocview_quad/lokdocview_quad.h b/libreofficekit/qa/lokdocview_quad/lokdocview_quad.h
new file mode 100644
index 000000000000..3124e5f6fd2f
--- /dev/null
+++ b/libreofficekit/qa/lokdocview_quad/lokdocview_quad.h
@@ -0,0 +1,66 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef INCLUDED_LOK_QA_INC_LIBREOFFICEKITGTK_H
+#define INCLUDED_LOK_QA_INC_LIBREOFFICEKITGTK_H
+
+#include <gtk/gtk.h>
+#include <gdk/gdk.h>
+
+#define LOK_USE_UNSTABLE_API
+#include <LibreOfficeKit/LibreOfficeKit.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#define LOK_DOCVIEW_QUAD(obj) GTK_CHECK_CAST (obj, lok_docview_quad_get_type(), LOKDocViewQuad)
+#define LOK_DOCVIEW_QUAD_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, lok_docview_quad_get_type(), LOKDocViewQuadClass)
+#define IS_LOK_DOCVIEW_QUAD(obj) GTK_CHECK_TYPE (obj, lok_docview_quad_get_type())
+
+
+typedef struct _LOKDocViewQuad LOKDocViewQuad;
+typedef struct _LOKDocViewQuadClass LOKDocViewQuadClass;
+
+struct _LOKDocViewQuad
+{
+ GtkScrolledWindow scrollWindow;
+
+ GtkWidget* pEventBox;
+ GtkWidget* pGrid;
+ GtkWidget* pCanvas[2][2];
+ GdkPixbuf* pPixBuf[2][2];
+
+ float fZoom;
+
+ LibreOfficeKit* pOffice;
+ LibreOfficeKitDocument* pDocument;
+};
+
+struct _LOKDocViewQuadClass
+{
+ GtkScrolledWindowClass parent_class;
+
+ void (*lok_docview_quad) (LOKDocViewQuad* pDocView);
+};
+
+guint lok_docview_quad_get_type (void);
+GtkWidget* lok_docview_quad_new ( LibreOfficeKit* pOffice );
+gboolean lok_docview_quad_open_document (LOKDocViewQuad* pDocView,
+ char* pPath);
+void lok_docview_quad_set_zoom (LOKDocViewQuad* pDocView,
+ float fZoom);
+float lok_docview_quad_get_zoom (LOKDocViewQuad* pDocView);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
generated by cgit (git 2.34.1) at 2025-01-29 04:05:40 +0000